analytics.js: add debugs
analytics.js: add debugs

Resly/www-analytics.js,segmentio/analytics.js-core,MunGell/analytics.js,nice-fungal/analytics.js-core,abulrim/analytics.js,okgrow/analytics.js,Scratch-it/analytics.js,graingert/analytics.js,st3w4r/analytics.js,segmentio/analytics.js-core,astronomerio/analytics.js,attribution/analytics.js,segmentio/analytics.js,nice-fungal/analytics.js-core,segmentio/analytics.js-core